JPS56134894A - White balance regulating circuit - Google Patents

White balance regulating circuit

Info

Publication number
JPS56134894A
JPS56134894A JP3715480A JP3715480A JPS56134894A JP S56134894 A JPS56134894 A JP S56134894A JP 3715480 A JP3715480 A JP 3715480A JP 3715480 A JP3715480 A JP 3715480A JP S56134894 A JPS56134894 A JP S56134894A
Authority
JP
Japan
Prior art keywords
white balance
color temperature
regulating circuit
balance regulating
rotary disk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP3715480A
Other languages
Japanese (ja)
Other versions
JPH0140553B2 (en
Inventor
Takashi Nakamura
Akio Sakashita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP3715480A priority Critical patent/JPS56134894A/en
Priority to AU67657/81A priority patent/AU543537B2/en
Priority to DE19813109258 priority patent/DE3109258A1/en
Priority to GB8107992A priority patent/GB2072456B/en
Priority to US06/245,612 priority patent/US4355325A/en
Priority to CA000373651A priority patent/CA1147849A/en
Priority to FR8105779A priority patent/FR2478918A1/en
Priority to NL8101432A priority patent/NL190682C/en
Priority to AT0137381A priority patent/AT382055B/en
Publication of JPS56134894A publication Critical patent/JPS56134894A/en
Publication of JPH0140553B2 publication Critical patent/JPH0140553B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Image Signal Generators (AREA)

Abstract

PURPOSE: To regulate white balance properly at each color temperature by switching a plurality of color temperature filters.
CONSTITUTION: Rotary disk 22 fitted with three color temperature filters and one light shielding plate is provided and according to the rotation position of rotary disk 22, levels for white balance regulation which correspond to three color temperature filters are set by RAMs 18 and 19.
COPYRIGHT: (C)1981,JPO&Japio
JP3715480A 1980-03-24 1980-03-24 White balance regulating circuit Granted JPS56134894A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP3715480A JPS56134894A (en) 1980-03-24 1980-03-24 White balance regulating circuit
AU67657/81A AU543537B2 (en) 1980-03-24 1981-02-26 Camera white balance control with selectable colour temperature compensating filters
DE19813109258 DE3109258A1 (en) 1980-03-24 1981-03-11 WHITE BALANCE CONTROL SYSTEM
GB8107992A GB2072456B (en) 1980-03-24 1981-03-13 White balance control arrangements for colour television cameras
US06/245,612 US4355325A (en) 1980-03-24 1981-03-19 White balance control system
CA000373651A CA1147849A (en) 1980-03-24 1981-03-23 White balance control system
FR8105779A FR2478918A1 (en) 1980-03-24 1981-03-23 COLOR TELEVISION CAMERA
NL8101432A NL190682C (en) 1980-03-24 1981-03-23 Color television camera equipped with a white balance control system.
AT0137381A AT382055B (en) 1980-03-24 1981-03-24 WHITE BALANCE CONTROL SYSTEM FOR A COLOR TV CAMERA

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3715480A JPS56134894A (en) 1980-03-24 1980-03-24 White balance regulating circuit

Publications (2)

Publication Number Publication Date
JPS56134894A true JPS56134894A (en) 1981-10-21
JPH0140553B2 JPH0140553B2 (en) 1989-08-29

Family

ID=12489679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3715480A Granted JPS56134894A (en) 1980-03-24 1980-03-24 White balance regulating circuit

Country Status (9)

Country Link
US (1) US4355325A (en)
JP (1) JPS56134894A (en)
AT (1) AT382055B (en)
AU (1) AU543537B2 (en)
CA (1) CA1147849A (en)
DE (1) DE3109258A1 (en)
FR (1) FR2478918A1 (en)
GB (1) GB2072456B (en)
NL (1) NL190682C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0654340A (en) * 1990-02-28 1994-02-25 Samsung Electron Co Ltd Control method of white balance

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857885A (en) * 1981-10-01 1983-04-06 Nippon Kogaku Kk <Nikon> White balance device
JPS58145288A (en) * 1982-02-22 1983-08-30 Toshiba Corp Color image pickup device
JPS58215884A (en) * 1982-06-10 1983-12-15 Sony Corp Electronic camera
JPS60214183A (en) * 1984-04-09 1985-10-26 Nec Corp Color image pickup device
US4843456A (en) * 1986-07-24 1989-06-27 Minolta Camera Kabushiki Kaisha White balance adjusting device for a color video camera
US4816909A (en) * 1986-12-17 1989-03-28 Olympus Optical Co., Ltd. Video endoscope system for use with different sizes of solid state devices
US4887153A (en) * 1986-12-17 1989-12-12 Olympus Optical Co., Ltd. Electronic endoscope apparatus using horizontal transfer clock of fixed frequency
NL194938C (en) * 1988-12-12 2003-07-04 Samsung Electronics Co Ltd Circuit for the automatic exchange of optical filters.
US5049984A (en) * 1989-09-12 1991-09-17 Eastman Kodak Company Motion picture telecine balanced for negative scanning
JPH0568257A (en) * 1991-07-15 1993-03-19 Canon Inc Color image pickup device
WO2002007587A2 (en) 2000-07-14 2002-01-31 Xillix Technologies Corporation Compact fluorescent endoscopy video system
US20060241496A1 (en) * 2002-01-15 2006-10-26 Xillix Technologies Corp. Filter for use with imaging endoscopes
US20050154319A1 (en) * 2002-01-15 2005-07-14 Xillix Technologies Corporation Fluorescence endoscopy video systems with no moving parts in the camera
TWM244683U (en) * 2003-07-25 2004-09-21 Hon Hai Prec Ind Co Ltd Taking image device
US20090303317A1 (en) 2006-02-07 2009-12-10 Novadaq Technologies Inc. Near infrared imaging
EP2051603B1 (en) 2006-07-28 2019-09-11 Novadaq Technologies ULC System and method for deposition and removal of an optical element on an endoscope objective
US8498695B2 (en) 2006-12-22 2013-07-30 Novadaq Technologies Inc. Imaging system with a single color image sensor for simultaneous fluorescence and color video endoscopy
US20080177140A1 (en) * 2007-01-23 2008-07-24 Xillix Technologies Corp. Cameras for fluorescence and reflectance imaging
MX2010010292A (en) 2008-03-18 2011-01-25 Novadaq Technologies Inc Imaging system for combined full-color reflectance and near-infrared imaging.
BR112013022997A2 (en) 2011-03-08 2018-07-03 Novadaq Technologies Inc. full spectrum led illuminator.
WO2017079844A1 (en) 2015-11-13 2017-05-18 Novadaq Technologies Inc. Systems and methods for illumination and imaging of a target
EP4155716A1 (en) 2016-01-26 2023-03-29 Stryker European Operations Limited Image sensor assembly
US10293122B2 (en) 2016-03-17 2019-05-21 Novadaq Technologies ULC Endoluminal introducer with contamination avoidance
USD916294S1 (en) 2016-04-28 2021-04-13 Stryker European Operations Limited Illumination and imaging device
CA3027592A1 (en) 2016-06-14 2017-12-21 John Josef Paul FENGLER Methods and systems for adaptive imaging for low light signal enhancement in medical visualization
EP4242743A3 (en) 2017-02-10 2023-10-18 Stryker European Operations Limited Open-field handheld fluorescence imaging systems and methods

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5072535A (en) * 1973-10-29 1975-06-16
JPS5442426U (en) * 1977-08-29 1979-03-22

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51141964A (en) * 1975-05-30 1976-12-07 Tokico Ltd Automatic adjust-ing device of shoe distance in drum brake
DE2605018B2 (en) * 1976-02-10 1978-06-08 Robert Bosch Gmbh, 7000 Stuttgart Procedure for automatic white and black balance
JPS6048955B2 (en) * 1977-02-28 1985-10-30 ソニー株式会社 White balance adjustment device
NL7803660A (en) * 1978-04-06 1979-10-09 Philips Nv METHOD AND INSTALLATION FOR THE ADJUSTMENT OF A TELEVISION CAMERA FOR SCENE RECORDING WITH THE USE OF A MONITOR IMAGE.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5072535A (en) * 1973-10-29 1975-06-16
JPS5442426U (en) * 1977-08-29 1979-03-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0654340A (en) * 1990-02-28 1994-02-25 Samsung Electron Co Ltd Control method of white balance

Also Published As

Publication number Publication date
ATA137381A (en) 1986-05-15
FR2478918B1 (en) 1984-12-21
NL190682B (en) 1994-01-17
FR2478918A1 (en) 1981-09-25
JPH0140553B2 (en) 1989-08-29
AU6765781A (en) 1981-10-01
DE3109258C2 (en) 1989-12-07
NL8101432A (en) 1981-10-16
DE3109258A1 (en) 1982-03-18
GB2072456A (en) 1981-09-30
GB2072456B (en) 1985-01-16
CA1147849A (en) 1983-06-07
US4355325A (en) 1982-10-19
NL190682C (en) 1994-06-16
AU543537B2 (en) 1985-04-26
AT382055B (en) 1987-01-12

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